just a guess the tach was causing an issue running the motor,does the tach work now?
Blue in that area is the oil pressure sensor and the Blue/white(tan) may be for the "no oil pressure sender"
In most cases. there is the main battery cable , then a red,or red/purple .This is the boats main power connection,then the yellow/red wire to the solenoid Some use an additional wire from the other small post on the solenoid to provide voltage to the electric fuel pump for cranking
disconnecting the battery cable lead can do it causing the alt to run wild. dirty connection ,fittings, corrosion,battery switch and connections neg cable at engine loose ,corroded, etc Also a open winding in the alt can do the same.
alpha Gen II housing that was taking on a lot of water. Suspected of using regular bottom paint instead of outdrive paint over the years. What do you think?
If the gearset uses the inner spacer between the bearings you tighten to 85Ft/lbs ,if the gearset does NOT use the inner spacer and the gears are a press fit you use rolling torque
